ppf/new/tests/test_storage.py

   1 """
   2 Test suite for storage. Uses unittest module.
   3
   4 2011, Razvan Deaconescu, razvan.deaconescu@cs.pub.ro.
   5 """
   6
   7 import unittest
   8 import os
   9 import os.path
  10 import shutil
  11
  12 import storage
  13
  14 def create_non_numeric_subfolders(path):
  15     os.mkdir(os.path.join(path, "ana"))
  16     os.mkdir(os.path.join(path, "are"))
  17     os.mkdir(os.path.join(path, "mere"))
  18     os.mkdir(os.path.join(path, "si"))
  19     os.mkdir(os.path.join(path, "pere"))
  20
  21 def create_numeric_subfolders_sequential(path):
  22     os.mkdir(os.path.join(path, "1"))
  23     os.mkdir(os.path.join(path, "2"))
  24     os.mkdir(os.path.join(path, "3"))
  25     os.mkdir(os.path.join(path, "4"))
  26     os.mkdir(os.path.join(path, "5"))
  27
  28 def create_numeric_subfolders_non_sequential(path):
  29     os.mkdir(os.path.join(path, "32"))
  30     os.mkdir(os.path.join(path, "5"))
  31     os.mkdir(os.path.join(path, "423"))
  32     os.mkdir(os.path.join(path, "1401"))
  33     os.mkdir(os.path.join(path, "92"))
  34
  35 def create_numeric_files(path):
  36     f = open(os.path.join(path, "33"), 'w')
  37     f.close()
  38     f = open(os.path.join(path, "6"), 'w')
  39     f.close()
  40     f = open(os.path.join(path, "424"), 'w')
  41     f.close()
  42     f = open(os.path.join(path, "1402"), 'w')
  43     f.close()
  44     f = open(os.path.join(path, "93"), 'w')
  45     f.close()
  46
  47 class StorageTest(unittest.TestCase):
  48     """
  49     Test suite for stand alone functions in storage.py.
  50     """
  51
  52     # Class specific variables. Initialized in setUp, used throughout tests.
  53     path = "/tmp/ttfa-test"
  54
  55     def setUp(self):
  56         """Create folder."""
  57         os.mkdir(self.path)
  58
  59     def tearDown(self):
  60         """Remove base folder."""
  61         shutil.rmtree(self.path)
  62
  63     def test_find_last_numeric_subfolder_no_subfolders(self):
  64         """Test return of None when no subfolders are present."""
  65         id = storage.find_last_numeric_subfolder(self.path)
  66         self.assertEqual(id, None)
  67
  68     def test_find_last_numeric_subfolder_no_numeric_subfolders(self):
  69         """Test return of None when no numeric subfolders are present."""
  70         create_non_numeric_subfolders(self.path)
  71
  72         id = storage.find_last_numeric_subfolder(self.path)
  73         self.assertEqual(id, None)
  74
  75     def test_find_last_numeric_subfolder_only_numeric_subfolders_sequential(self):
  76         """
  77         Test return of correct id when sequential numeric named
  78         subfolders only are present (1, 2, 3, ...).
  79         """
  80         create_numeric_subfolders_sequential(self.path)
  81
  82         id = storage.find_last_numeric_subfolder(self.path)
  83         self.assertEqual(id, 5)
  84
  85     def test_find_last_numeric_subfolder_only_numeric_subfolders_nonsequential(self):
  86         """
  87         Test return of correct id when nonsequential numeric named
  88         subfolders only are present (32, 5, 423, ...).
  89         """
  90         create_numeric_subfolders_non_sequential(self.path)
  91
  92         id = storage.find_last_numeric_subfolder(self.path)
  93         self.assertEqual(id, 1401)
  94
  95     def test_find_last_numeric_subfolder_mixed_subfolders_sequential(self):
  96         """
  97         Test return of None when mixed named subfolders (numeric and
  98         others) are present. Numeric folders are sequential.
  99         """
 100         create_non_numeric_subfolders(self.path)
 101         create_numeric_subfolders_sequential(self.path)
 102
 103         id = storage.find_last_numeric_subfolder(self.path)
 104         self.assertEqual(id, 5)
 105
 106     def test_find_last_numeric_subfolder_mixed_subfolders_nonsequential(self):
 107         """
 108         Test return of None when mixed named subfolders (numeric and
 109         others) are present. Numeric folders are non-sequential.
 110         """
 111         create_non_numeric_subfolders(self.path)
 112         create_numeric_subfolders_non_sequential(self.path)
 113
 114         id = storage.find_last_numeric_subfolder(self.path)
 115         self.assertEqual(id, 1401)
 116
 117     def test_find_last_numeric_subfolder_mixed_subfolders_files(self):
 118         """
 119         Test return of None when mixed named subfolders (numeric and
 120         others) together with files are present. Numeric folders are
 121         non-sequential.
 122         """
 123         create_non_numeric_subfolders(self.path)
 124         create_numeric_subfolders_non_sequential(self.path)
 125         create_numeric_files(self.path)
 126
 127         id = storage.find_last_numeric_subfolder(self.path)
 128         self.assertEqual(id, 1401)
 129
 130 if __name__ == "__main__":
 131     unittest.main()